Resident Evil 3 - Nemezis cheats and cheat codes for Gamecube

Boutique key
Finish the game once. Watch the ending credits then save the 
"Next Game" file to gete the key to the Boutique.When you begin 
a new game go to the 1st street, use the key to enter 
and change your outfit.

Unlock original Resident Evil costumes for Jill, and 
Regina's costumes from Dino crisis:
Finish the game in easy mode. Reach a better rank than an F.

Finish the game on hard mode with the following rank:

Rank D - unlock two costumes
Rank C - Unlock three costumes 
Rank B - Unlock four costumes
Rank A - Unlock all five costumes. 

The all 5 cosutems are the following:
Original Resident Evil costumes for Jill, and Regina's costumes 
from Dino crisis, police miniskirt, disco, and biker outfits.


Epilogues: 
Finish the game in hard mode to unlock Epilogues. There are 8 total 
Epilogues, which are contain a short diary description of each 
character from the entire Resident Evil series.

Nemesis Rewards
Beat Nemesis the indicated number of times to receive special items:

Beat him - Received Item
Once - EAGLE Parts A
Twice - EAGLE Parts B
3 times - First Aid Spray Box
4 times - BENELLI M3S Parts A
5 times - BENELLI M3S Parts B
6 times - First Aid Spray Box
7 times - Infinite ammo


Mixing Gun Powder:
7 Shot Gun Shells: Gun Powder B 
10 Acid rounds: Gun Powder BC 
10 Cold rounds: Gun Powder CC 
10 Fire rounds: Gun Powder AC 
10 Grenade rounds: Gun Powder C (mix A with B) 
15 Handgun bullets: Gun Powder A 
18 Shotgun shells: Gun Powder BB 
24 Magnum rounds: Gun Powder CCC 
30 Shotgun shells: Gun Powder BBB 
35 Handgun bullets: Gun Powder AA 
40 Shotgun shells: Gun Powder AAB 
55 Handgun bullets *: Gun Powder AAA 
66 Handgun bullets *: Gun Powder BBA 
* Concocting large amounts of Handgun ammo wastes time, 
which affects your final grade. 

Herb Combinations

Various herb combinations gives you different abilities:

Herb - Ability: 
Simple Blue - Cures if you are poisoned
Simple Green - Restores some lost heath 
Simple Red - Does nothing by itself. You have to mix with green herb 

Green + Green - Refill more heath than a single green herb 
Green + Blue -  Cures "poison" status and refill some heath 
Green + Green + Green - Get maximal heath 
Green + Green + Blue - Cures "poison" status and get maximum heath 
Red + Green + Blue - Cures "poison" status and refill some heath 

Mercenaries mini-game:
Finish the entire game at any difficulty level. In this mini-game, you 
have to reach Uptown from the starting point within a limited amount of 
time. You have to kill monsters and rescuing people during the game 
to eran rank and money. YOu can use the earned money to buy 
better weapons and unlimited ammunition. 

Monster - Time (in seconds)
Crow - 1
Zombie - 3
Spider - 5 
Hunter - 6
Nemesis - 10
People - 20